kernel_samsung_msm8974/drivers/video/msm/mdss/mdss_hdmi_hdcp.h

/* Copyright (c) 2012 The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __MDSS_HDMI_HDCP_H__
#define __MDSS_HDMI_HDCP_H__

#include "mdss_hdmi_util.h"
#ifdef	CONFIG_VIDEO_MHL_V2
#include "video/msm_hdmi_hdcp_mgr.h"
#endif

enum hdmi_hdcp_state {
	HDCP_STATE_INACTIVE,
	HDCP_STATE_AUTHENTICATING,
	HDCP_STATE_AUTHENTICATED,
	HDCP_STATE_AUTH_FAIL
};

struct hdmi_hdcp_init_data {
	struct dss_io_data *core_io;
	struct dss_io_data *qfprom_io;
	struct mutex *mutex;
	struct kobject *sysfs_kobj;
	struct workqueue_struct *workq;
	void *cb_data;
	void (*notify_status)(void *cb_data, enum hdmi_hdcp_state status);

	struct hdmi_tx_ddc_ctrl *ddc_ctrl;
};

struct hdmi_hdcp_ctrl {
	u32 auth_retries;
	u32 tp_msgid;
	enum hdmi_hdcp_state hdcp_state;
	struct HDCP_V2V1_MSG_TOPOLOGY cached_tp;
	struct HDCP_V2V1_MSG_TOPOLOGY current_tp;
	struct delayed_work hdcp_auth_work;
	struct work_struct hdcp_int_work;
	struct completion r0_checked;
	struct hdmi_hdcp_init_data init_data;
};

const char *hdcp_state_name(enum hdmi_hdcp_state hdcp_state);
void *hdmi_hdcp_init(struct hdmi_hdcp_init_data *init_data);
void hdmi_hdcp_deinit(void *input);
int hdmi_hdcp_isr(void *ptr);
int hdmi_hdcp_reauthenticate(void *input);
int hdmi_hdcp_authenticate(void *hdcp_ctrl);
void hdmi_hdcp_off(void *hdcp_ctrl);
int hdmi_hdcp_authentication_part1_start(struct hdmi_hdcp_ctrl *hdcp_ctrl);
#endif /* __MDSS_HDMI_HDCP_H__ */